scholarly journals Photothermal Microscopy: Imaging the Optical Absorption of Single Nanoparticles and Single Molecules

ACS Nano ◽  
2020 ◽  
Vol 14 (12) ◽  
pp. 16414-16445
Author(s):  
Subhasis Adhikari ◽  
Patrick Spaeth ◽  
Ashish Kar ◽  
Martin Dieter Baaske ◽  
Saumyakanti Khatua ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Single Molecules ◽  
Microscopy Imaging ◽  
Photothermal Microscopy

scholarly journals Peak force visible microscopy

Soft Matter ◽  
2020 ◽  
Vol 16 (36) ◽  
pp. 8372-8379
Author(s):  
Haomin Wang ◽  
Le Wang ◽  
Yuequn Shang ◽  
Sajedehalsadat Yazdanparast Tafti ◽  
Wenpeng Cao ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Spatial Resolution ◽  
Peak Force ◽  
Visible Range ◽  
Excellent Spatial Resolution ◽  
New Type ◽  
Photothermal Microscopy

We developed a new type of visible-range photothermal microscopy for measurement of optical absorption with excellent spatial resolution.

scholarly journals Enabling Autonomous Scanning Probe Microscopy Imaging of Single Molecules with Deep Learning

Nanoscale ◽  
2021 ◽  
Author(s):  
Javier Sotres ◽  
Hannah Boyd ◽  
Juan Francisco Gonzalez-Martinez
Keyword(s):  
Deep Learning ◽  
Scanning Probe Microscopy ◽  
Signal To Noise Ratio ◽  
Single Molecules ◽  
Real Space ◽  
Scanning Probe ◽  
Signal To Noise ◽  
Microscopy Imaging ◽  
Probe Microscopy ◽  
The Real

Scanning Probe Microscopies allow investigating surfaces at the nanoscale, in the real space and with unparalleled signal-to-noise ratio. However, these microscopies are not used as much as it would be...

Photothermal Microscopy: Imaging of Energy Dissipation From Photosynthetic Complexes

2015 ◽  
Vol 87 (19) ◽  
pp. 9572-9575 ◽  
Author(s):  
Wieslaw I. Gruszecki ◽  
Rafal Luchowski ◽  
Monika Zubik ◽  
Wojciech Grudzinski
Keyword(s):  
Energy Dissipation ◽  
Microscopy Imaging ◽  
Photosynthetic Complexes ◽  
Photothermal Microscopy

Low - Voltage Scanning Electron Microscopy Imaging, Secondary and Backscatter, With Microchannel Plate Detector

1990 ◽  
Vol 48 (1) ◽  
pp. 442-442
Author(s):  
Galen Powers ◽  
Ray Cochran
Keyword(s):  
Low Voltage ◽  
Beam Current ◽  
Microchannel Plate ◽  
Normal Operation ◽  
Microscopy Imaging ◽  
Backscatter Signal ◽  
Vacuum Interface ◽  
Width Measurements ◽  
Working Distance ◽  
Beam Currents

The capability to obtain symmetrical images at voltages as low as 200 eV and beam currents less than 9 pico amps is believed to be advantageous for metrology and study of dielectric or biological samples. Symmetrical images should allow more precise and accurate line width measurements than currently achievable by traditional secondary electron detectors. The low voltage and current capability should allow imaging of samples which traditionally have been difficult because of charging or electron beam damage.The detector system consists of a lens mounted dual anode MicroChannel Plate (MCP) detector, vacuum interface, power supplies, and signal conditioning to interface directly to the video card of the SEM. The detector has been miniaturized so that it does not interfere with normal operation of the SEM sample handling and alternate detector operation. Biasing of the detector collection face will either add secondaries to the backscatter signal or reject secondaries yielding only a backscatter image. The dual anode design allows A−B signal processing to provide topological information as well as symmetrical A+B images.Photomicrographs will show some of the system capabilities. Resolution will be documented with gold on carbon. Variation of voltage, beam current, and working distance on dielectric samples such as glass and photoresist will demonstrate effects of common parameter changes.

Single molecules in the dark

2009 ◽  
Vol 11 (S1) ◽  
pp. S19-S19 ◽  
Author(s):  
Daniel Evanko
Keyword(s):  
Single Molecules
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